/* ==========================================================================
   MERLION TRANSLATION — CORPORATE TRANSLATION WEBSITE STYLESHEET
   Inspired by classic professional Vietnamese translation agency layout 
   (Interprotrans style) with Pure White background & Merlion Gold accents.
   ========================================================================== */

:root {
  --white: #FFFFFF;
  --bg-light: #FBF9F5;
  --bg-gray: #F4F4F4;

  /* Merlion Gold Palette (Replacing Red in reference layout) */
  --gold-bar: #9E7418;        /* Top utility bar solid gold */
  --gold-primary: #B5851D;    /* Primary brand gold for menu & headings */
  --gold-bright: #D4A024;     /* Bright gold accent */
  --gold-dark: #7A580E;       /* Deep gold for hover states */
  --gold-light: #F9F2E2;      /* Soft gold tint for highlights/tables */
  --gold-border: #DEC796;     /* Hairline gold border */

  --text-dark: #1A1A1A;
  --text-body: #333333;
  --text-muted: #666666;
  --border-gray: #E0E0E0;

  --font-main: 'Roboto', 'Inter', Arial, Helvetica, sans-serif;
  --font-heading: 'Montserrat', 'Inter', Arial, sans-serif;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 15px;
}

body {
  font-family: var(--font-main);
  color: var(--text-body);
  background-color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* ==========================================================================
   1. TOP UTILITY BAR (Thanh ngang màu Vàng Kim trên cùng giống mẫu)
   ========================================================================== */
.top-bar {
  background: linear-gradient(90deg, #8F6813 0%, #B58922 50%, #8F6813 100%);
  color: var(--white);
  font-size: 13px;
  height: 38px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid #7A580E;
}

.top-bar__inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar__links {
  display: flex;
  align-items: center;
}

.top-bar__links li {
  display: flex;
  align-items: center;
}

.top-bar__links li + li::before {
  content: "|";
  margin: 0 12px;
  color: rgba(255, 255, 255, 0.55);
}

.top-bar__links a {
  color: var(--white);
  font-weight: 400;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.top-bar__links a:hover {
  color: #FFF3C4;
  text-decoration: underline;
}

.top-bar__right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.top-bar__hotline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--white);
}

.top-bar__hotline svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

/* Language Flags + Global Dropdown */
.lang-flags {
  display: flex;
  align-items: center;
  gap: 6px;
}

.flag-btn {
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: transparent;
  padding: 0;
  width: 24px;
  height: 16px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0.75;
  transition: opacity 0.2s, transform 0.2s;
}

.flag-btn.active,
.flag-btn:hover {
  opacity: 1;
  border-color: #FFFFFF;
  transform: scale(1.06);
}

.flag-btn svg {
  width: 100%;
  height: 100%;
  display: block;
}

.global-lang-select {
  background-color: rgba(0, 0, 0, 0.22);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.45);
  font-size: 11px;
  padding: 2px 6px;
  height: 22px;
  cursor: pointer;
  font-family: var(--font-main);
}

.global-lang-select option {
  background-color: var(--white);
  color: var(--text-dark);
}

/* Social Square Buttons */
.social-squares {
  display: flex;
  align-items: center;
  gap: 5px;
}

.social-sq {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #1877F2;
  color: var(--white);
  font-weight: 700;
  font-size: 13px;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.social-sq--mail {
  background-color: #D4A024;
  color: #1A1A1A;
}

.social-sq:hover {
  filter: brightness(1.1);
}

/* ==========================================================================
   2. MAIN HEADER (Nền trắng, Logo bên trái, Menu in hoa Vàng Kim bên phải)
   ========================================================================== */
.main-header {
  background-color: var(--white);
  border-bottom: 2px solid var(--gold-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.main-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

/* Logo Lockup (Giống bố cục Interprotrans) */
.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 12px 4px 0;
  flex-shrink: 0;
}

.header-brand__logo {
  height: 64px;
  width: auto;
  object-fit: contain;
}

.header-brand__text {
  display: flex;
  flex-direction: column;
  border-left: 2px solid var(--gold-primary);
  padding-left: 12px;
}

.header-brand__sub {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1.2;
}

.header-brand__name {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--gold-primary);
  line-height: 1.15;
  text-transform: uppercase;
  white-space: nowrap;
}

.header-brand__name sup {
  font-size: 11px;
  color: var(--gold-dark);
}

/* Main Navigation Menu */
.header-nav {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 22px;
}

.header-nav__link {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--gold-primary);
  padding: 8px 2px;
  position: relative;
  letter-spacing: 0.02em;
  white-space: nowrap; /* Mỗi mục menu luôn nằm trên một dòng */
}

.header-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: var(--gold-dark);
  transition: width 0.2s ease;
}

.header-nav__link:hover,
.header-nav__link.active {
  color: var(--gold-dark);
}

.header-nav__link:hover::after,
.header-nav__link.active::after {
  width: 100%;
}

/* ==========================================================================
   3. HERO BANNER SECTION (Bố cục giống hệt ảnh mẫu với tông Trắng - Vàng Kim)
   ========================================================================== */
.hero-banner {
  position: relative;
  background-color: var(--white);
  border-bottom: 3px solid var(--gold-primary);
  overflow: hidden;
  padding: 36px 0 44px;
}

/* Họa tiết chấm bi (Halftone Dots) màu vàng nhạt ở 2 bên mép giống ảnh mẫu */
.hero-banner::before,
.hero-banner::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 260px;
  background-image: radial-gradient(#E6D2A3 28%, transparent 29%);
  background-size: 22px 22px;
  opacity: 0.45;
  pointer-events: none;
}

.hero-banner::before {
  left: 0;
  mask-image: linear-gradient(to right, rgba(0,0,0,1), rgba(0,0,0,0));
  -webkit-mask-image: linear-gradient(to right, rgba(0,0,0,1), rgba(0,0,0,0));
}

.hero-banner::after {
  right: 0;
  mask-image: linear-gradient(to left, rgba(0,0,0,1), rgba(0,0,0,0));
  -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,1), rgba(0,0,0,0));
}

/* Banner Switcher Pills (Chuyển đổi giữa Banner Dịch Vụ & Banner Tuyển Dụng) */
.banner-switcher {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 22px;
  position: relative;
  z-index: 2;
}

.banner-switch-btn {
  padding: 6px 18px;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  border: 1px solid var(--gold-primary);
  background-color: var(--white);
  color: var(--gold-dark);
  cursor: pointer;
}

.banner-switch-btn.active,
.banner-switch-btn:hover {
  background-color: var(--gold-primary);
  color: var(--white);
}

.banner-slide {
  display: none;
  position: relative;
  z-index: 2;
}

/* Khu vực Tuyển Cộng Tác Viên (đặt ngay trước mục Gửi yêu cầu & Ứng tuyển CTV) */
.hero-banner--recruit {
  border-top: 3px solid var(--gold-primary);
  padding: 48px 0 52px;
}

.banner-slide.active {
  display: block;
}

.banner-headline-group {
  text-align: center;
  margin-bottom: 18px;
}

.banner-main-title {
  font-family: var(--font-heading);
  font-size: clamp(26px, 3.6vw, 44px);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.banner-main-title .text-gold {
  color: var(--gold-primary);
}

.banner-main-title .text-black {
  color: var(--text-dark);
}

/* Dòng Email + Nút mũi tên (Chevron Ribbon) giống hệt ảnh mẫu */
.banner-action-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 28px;
  margin: 14px 0 18px;
}

.banner-email-link {
  font-family: var(--font-heading);
  font-size: clamp(20px, 2.5vw, 31px);
  font-weight: 800;
  color: #8A620A;
  letter-spacing: 0.01em;
}

.banner-email-link:hover {
  color: var(--gold-primary);
  text-decoration: underline;
}

/* Nút Chevron Mũi Tên Vàng Kim (thay cho mũi tên đỏ trong ảnh) */
.chevron-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #D4A024 0%, #A67814 100%);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 800;
  text-transform: uppercase;
  padding: 12px 34px 12px 28px;
  letter-spacing: 0.04em;
  clip-path: polygon(16px 0%, 100% 0%, calc(100% - 16px) 50%, 100% 100%, 16px 100%, 0% 50%);
  box-shadow: 0 3px 6px rgba(0,0,0,0.15);
  cursor: pointer;
}

.chevron-cta span {
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.45);
}

.chevron-cta:hover {
  background: linear-gradient(180deg, #E2B032 0%, #8A620A 100%);
  transform: translateY(-1px);
}

/* Dòng chữ viền đen nền vàng kim nổi bật (giống dòng "CƠ HỘI TRẢI NGHIỆM..." trong ảnh) */
.banner-sub-highlight {
  text-align: center;
  font-family: var(--font-heading);
  font-size: clamp(16px, 2vw, 25px);
  font-weight: 900;
  text-transform: uppercase;
  color: #F4C44E;
  text-shadow:
    -1.5px -1.5px 0 #1A1A1A,
     1.5px -1.5px 0 #1A1A1A,
    -1.5px  1.5px 0 #1A1A1A,
     1.5px  1.5px 0 #1A1A1A,
     0px 3px 0 #1A1A1A;
  letter-spacing: 0.03em;
  margin-bottom: 28px;
}

/* 3 Khung hình minh họa bên dưới Banner (giống 3 khung ảnh trong mẫu) */
.banner-showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1120px;
  margin: 0 auto;
}

.showcase-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.showcase-card__visual {
  width: 100%;
  height: 215px;
  border: 3px solid var(--gold-primary);
  background-color: var(--bg-light);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background-size: cover;
  background-position: center;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.showcase-card__overlay {
  background: linear-gradient(to top, rgba(18, 18, 17, 0.88) 0%, rgba(18, 18, 17, 0.35) 65%, transparent 100%);
  padding: 18px 16px;
  color: var(--white);
  width: 100%;
  text-align: left;
}

.showcase-card__tag {
  display: inline-block;
  background-color: var(--gold-bright);
  color: #1A1A1A;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  padding: 2px 8px;
  margin-bottom: 6px;
}

.showcase-card__overlay p {
  font-size: 13px;
  line-height: 1.45;
  color: #F5F5F5;
}

.showcase-card__caption {
  margin-top: 14px;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 900;
  text-transform: uppercase;
  color: #F4C44E;
  text-shadow:
    -1.2px -1.2px 0 #1A1A1A,
     1.2px -1.2px 0 #1A1A1A,
    -1.2px  1.2px 0 #1A1A1A,
     1.2px  1.2px 0 #1A1A1A,
     0px 2px 0 #1A1A1A;
  letter-spacing: 0.03em;
}

/* ==========================================================================
   SECTION TITLE BAR (Chuẩn phong cách công ty dịch thuật)
   ========================================================================== */
.corp-section {
  padding: 56px 0;
  border-bottom: 1px solid var(--border-gray);
}

.corp-section--alt {
  background-color: var(--bg-light);
}

.corp-heading-wrap {
  text-align: center;
  margin-bottom: 40px;
}

.corp-heading {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--gold-primary);
  letter-spacing: 0.03em;
  display: inline-block;
  position: relative;
  padding-bottom: 12px;
}

.corp-heading::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: var(--gold-primary);
}

.corp-subheading {
  max-width: 760px;
  margin: 12px auto 0;
  color: var(--text-muted);
  font-size: 15px;
}

/* ==========================================================================
   4. GIỚI THIỆU (ABOUT MERLION TRANSLATION)
   ========================================================================== */
.about-corp-grid {
  display: grid;
  grid-template-columns: 4fr 8fr;
  gap: 36px;
  align-items: center;
}

.about-logo-card {
  border: 2px solid var(--gold-border);
  background-color: var(--white);
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.about-logo-card img {
  max-width: 220px;
  margin: 0 auto 16px;
}

.about-logo-card__badge {
  display: inline-block;
  padding: 6px 16px;
  background-color: var(--gold-primary);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.about-corp-content h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  color: var(--text-dark);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.about-corp-content p {
  margin-bottom: 14px;
  text-align: justify;
  color: var(--text-body);
}

.about-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.stat-item {
  border: 1px solid var(--gold-border);
  background-color: var(--gold-light);
  padding: 16px 14px;
  text-align: center;
  border-top: 3px solid var(--gold-primary);
}

.stat-item__num {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 800;
  color: var(--gold-dark);
  display: block;
}

.stat-item__label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-body);
  margin-top: 4px;
  display: block;
}

/* ==========================================================================
   5. DỊCH VỤ DỊCH THUẬT (6 MẢNG CỐT LÕI)
   ========================================================================== */
.service-corp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-corp-box {
  background-color: var(--white);
  border: 1px solid var(--border-gray);
  border-top: 4px solid var(--gold-primary);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.service-corp-box:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(181, 133, 29, 0.14);
  border-color: var(--gold-primary);
}

.service-corp-box__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gold-light);
}

.service-corp-box__num {
  width: 36px;
  height: 36px;
  background-color: var(--gold-primary);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.service-corp-box__title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-dark);
  line-height: 1.3;
}

.service-corp-box__desc {
  font-size: 14px;
  color: var(--text-body);
  margin-bottom: 18px;
  text-align: justify;
}

.service-corp-box__list {
  border-top: 1px dashed var(--border-gray);
  padding-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.service-tag {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  background-color: var(--gold-light);
  color: var(--gold-dark);
  border: 1px solid var(--gold-border);
}

/* ==========================================================================
   6. DANH MỤC DỊCH THUẬT & NGÔN NGỮ (CATALOG TABLE)
   ========================================================================== */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.catalog-item {
  background-color: var(--white);
  border: 1px solid var(--gold-border);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.catalog-item:hover {
  background-color: var(--gold-primary);
  color: var(--white);
}

.catalog-square {
  width: 10px;
  height: 10px;
  background-color: var(--gold-primary);
  flex-shrink: 0;
}

.catalog-item:hover .catalog-square {
  background-color: var(--white);
}

.catalog-item span {
  font-weight: 700;
  font-size: 14px;
}

/* ==========================================================================
   7. QUY TRÌNH NGHIỆP VỤ (WORKFLOW STEPS)
   ========================================================================== */
.process-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.process-card {
  background-color: var(--white);
  border: 1px solid var(--gold-border);
  padding: 24px 20px;
  text-align: center;
  position: relative;
}

.process-card__step {
  display: inline-block;
  background-color: var(--gold-primary);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 800;
  padding: 5px 16px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.process-card__title {
  font-family: var(--font-heading);
  font-size: 15.5px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.process-card__desc {
  font-size: 13.5px;
  color: var(--text-muted);
}

/* ==========================================================================
   8. BÁO GIÁ & TUYỂN DỤNG CTV (2 FORM CHỨC NĂNG ĐỔ GOOGLE SHEETS + GMAIL)
   ========================================================================== */
.portal-wrapper {
  background-color: var(--white);
  border: 2px solid var(--gold-primary);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
}

.portal-tab-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background-color: var(--bg-light);
  border-bottom: 2px solid var(--gold-primary);
}

.portal-tab-btn {
  padding: 20px 24px;
  border: none;
  background: transparent;
  cursor: pointer;
  text-align: center;
  font-family: var(--font-heading);
  transition: all 0.2s ease;
  border-right: 1px solid var(--gold-border);
}

.portal-tab-btn:last-child {
  border-right: none;
}

.portal-tab-btn__sub {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.portal-tab-btn__main {
  display: block;
  font-size: 18px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-dark);
}

.portal-tab-btn.active {
  background-color: var(--gold-primary);
}

.portal-tab-btn.active .portal-tab-btn__sub,
.portal-tab-btn.active .portal-tab-btn__main {
  color: var(--white);
}

.portal-body {
  display: grid;
  grid-template-columns: 4fr 8fr;
}

.portal-info-col {
  padding: 36px 28px;
  background-color: var(--gold-light);
  border-right: 1px solid var(--gold-border);
}

.portal-info-col h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 14px;
}

.portal-info-col p {
  font-size: 14px;
  margin-bottom: 20px;
}

.contact-info-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--gold-border);
  font-size: 14px;
}

.contact-info-list strong {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 2px;
}

.contact-info-list a {
  font-weight: 700;
  color: var(--text-dark);
}

.contact-info-list a:hover {
  color: var(--gold-primary);
  text-decoration: underline;
}

.portal-form-col {
  padding: 36px 36px;
}

.portal-form-panel {
  display: none;
}

.portal-form-panel.active {
  display: block;
}

.form-panel-title {
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--gold-primary);
  margin-bottom: 6px;
}

.form-panel-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-gray);
}

.corp-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-field {
  display: flex;
  flex-direction: column;
}

.form-field--full {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.form-field label .req {
  color: #D93025;
}

.form-input {
  padding: 11px 14px;
  border: 1px solid #CCCCCC;
  font-family: var(--font-main);
  font-size: 14px;
  color: var(--text-dark);
  background-color: var(--white);
}

.form-input:focus {
  outline: none;
  border-color: var(--gold-primary);
  background-color: #FFFEFA;
}

textarea.form-input {
  min-height: 105px;
  resize: vertical;
}

.file-upload-box {
  border: 1px dashed var(--gold-primary);
  background-color: var(--gold-light);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  position: relative;
  cursor: pointer;
}

.file-upload-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.file-upload-title {
  font-weight: 700;
  font-size: 13.5px;
  color: var(--text-dark);
  display: block;
}

.file-upload-sub {
  font-size: 12px;
  color: var(--text-muted);
}

.file-upload-btn {
  background-color: var(--gold-primary);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 8px 16px;
  white-space: nowrap;
}

.form-submit-bar {
  margin-top: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}

.btn-gold-submit {
  background-color: var(--gold-primary);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  padding: 14px 32px;
  border: none;
  cursor: pointer;
  letter-spacing: 0.04em;
}

.btn-gold-submit:hover {
  background-color: var(--gold-dark);
}

.form-status-box {
  margin-top: 18px;
  padding: 16px 20px;
  background-color: var(--gold-light);
  border-left: 4px solid var(--gold-primary);
  display: none;
}

.form-status-box.show {
  display: block;
}

.form-status-box__title {
  font-weight: 800;
  font-size: 14px;
  color: var(--gold-dark);
  margin-bottom: 4px;
}

.form-status-box__msg {
  font-size: 13.5px;
  color: var(--text-body);
}

/* ==========================================================================
   9. CORPORATE FOOTER
   ========================================================================== */
.corp-footer {
  background-color: #1F1D18;
  color: #E5E0D5;
  border-top: 4px solid var(--gold-primary);
}

.corp-footer__main {
  padding: 48px 0 36px;
  display: grid;
  grid-template-columns: 5fr 4fr 3fr;
  gap: 36px;
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--gold-bright);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid #3B372E;
}

.footer-list li {
  margin-bottom: 10px;
  font-size: 14px;
}

.footer-list a:hover {
  color: var(--gold-bright);
  text-decoration: underline;
}

.corp-footer__bottom {
  background-color: #141310;
  padding: 16px 0;
  font-size: 13px;
  color: #9E988E;
  text-align: center;
  border-top: 1px solid #2C2923;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
/* Màn hình hẹp hơn 1180px: logo lên trên, menu xuống dưới nhưng vẫn nằm trọn trên 1 hàng */
@media (max-width: 1180px) {
  .main-header__inner {
    flex-direction: column;
    gap: 6px;
  }
  .header-nav {
    justify-content: center;
    gap: 28px;
  }
}

@media (max-width: 992px) {
  .header-nav {
    gap: 18px;
  }
  .banner-showcase-grid,
  .service-corp-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-corp-grid,
  .portal-body,
  .corp-footer__main {
    grid-template-columns: 1fr;
  }
  .portal-info-col {
    border-right: none;
    border-bottom: 1px solid var(--gold-border);
  }
  .catalog-grid,
  .process-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  /* Điện thoại: menu vẫn 1 hàng, vuốt ngang để xem hết */
  .header-nav {
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    gap: 16px;
    padding-bottom: 4px;
  }
  .top-bar__links {
    display: none;
  }
  .top-bar__inner {
    justify-content: flex-end;
  }
  .banner-showcase-grid,
  .service-corp-grid,
  .about-stats-row,
  .catalog-grid,
  .process-row,
  .portal-tab-header,
  .corp-form-grid {
    grid-template-columns: 1fr;
  }
}